DTC P1117[AJ (3.0L Duratec)]
id0102a4822500
DTC P1117 |
ECT circuit performance problem |
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DETECTION CONDITION
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• Indicates ECT sensor signal was intermittent.
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POSSIBLE CAUSE
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• ECT sensor malfunction
• Poor connection at ECT sensor or PCM connector
• PCM malfunction
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Diagnostic procedure
STEP |
INSPECTION |
ACTION |
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1
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VERIFY FREEZE FRAME DATA HAS BEEN RECORDED
• Has FREEZE FRAME DATA been recorded?
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Yes
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Go to next step.
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No
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Record FREEZE FRAME DATA on repair order, then go to next step.
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2
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VERIFY RELATED SERVICE INFORMATION AVAILABILITY
• Check for related Service Information availability.
• Is any related Service Information available?
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Yes
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Perform repair or diagnosis according to available Service Information.
• If vehicle is not repaired, go to next step.
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No
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Go to next step.
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3
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INSPECT ECT SENSOR CONNECTOR FOR POOR CONNECTION
• Turn the ignition switch off.
• Disconnect ECT sensor connector.
• Check for poor connection (damaged, pulled-out pins, corrosion, etc.).
• Are there any malfunctions?
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Yes
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Repair or replace terminal, then go to Step 6.
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No
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Go to next step.
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4
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INSPECT ECTSENSOR
• Inspect ECT sensor.
• Is IAT sensor normal?
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Yes
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Replace ECT sensor, then go to Step 6.
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No
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Go to next step.
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5
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INSPECT PCM CONNECTOR FOR POOR CONNECTION
• Disconnect PCM connector.
• Check for poor connection (damaged, pulled-out pins, corrosion, etc.).
• Are there any malfunction?
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Yes
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Repair or replace terminal, then go to Step 6.
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No
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Go to next step.
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6
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VERIFY TROUBLESHOOTING OF DTC P1117 COMPLETED
• Make sure to reconnect all disconnected connectors.
• Clear DTC from PCM memory using M-MDS.
• Start engine and run engine under FREEZE FRAME DATA condition.
• Is PENDING CODE of same DTC present?
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Yes
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Replace PCM, then go to next step.
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No
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Go to next step.
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7
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VERIFY AFTER REPAIR PROCEDURE
• Perform "AFTER REPAIR PROCEDURE".
• Are any DTCs present?
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Yes
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Go to applicable DTC inspection.
(See DTC TABLE[AJ (3.0L Duratec)].)
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No
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Troubleshooting completed.
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